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January 27, 1998
This release note describes the features and caveats for the Cisco uBR7246 universal broadband router that support Cisco IOS Release 11.3(1). Use these release notes in conjunction with the Release Notes for Cisco IOS Release 11.3. Software caveats listed for Release 11.3 also apply to the Cisco uBR7246.
The Cisco uBR7246 is the first model available in the Cisco uBR7200 series of universal broadband routers. The Cisco uBR7246 is part of a new class of Cisco data-over-cable products designed to allow two-way transmission of digital data over hybrid fiber coaxial (HFC) cable. The Cisco uBR7246 supports Internet Protocol (IP) routing with a wide variety of protocols and any combination of Ethernet, Fast Ethernet, high-speed serial interface (HSSI), and asynchronous transfer mode (ATM) media. The Cisco data-over-cable products, the Cisco uBR7246 universal broadband router and the Cisco cable modem, are compliant with Multimedia Cable Network Partners, Ltd. (MCNS) specifications. MCNS is a consortium of cable television companies whose goal is to create standards for interoperable data over cable systems.
This release note does not describe features that are available in Release 11.3. For information about features in Release 11.3, refer to the Release Notes for Cisco IOS Release 11.3.
This release note only contains information for the Cisco uBR7246 universal broadband routers. For information about other Cisco products, refer to the specific product's release notes. For additional information on features supported in Cisco IOS Release 11.3, refer to the Cisco IOS Software Release 11.3 Content and Platform Support product bulletin.
Cisco Systems provides several software release "trains" based on a single version of Cisco IOS software. Maintenance releases of the Major train software (such as 11.3) deliver fixes to software defects only, thus providing the most stable software for your network, for the features you need. In addition to the Major train, there are Early Deployment (ED) trains. ED trains deliver both fixes to software defects and support for new Cisco platforms and new cross-platform features.
This release note discusses the following topics:
Cisco IOS Release 11.3 configuration guides and command reference publications and the Cisco uBR7246 installation and configuration guide can be found on the Documentation CD-ROM and on CCO.
On the Documentation CD, the paths are:
For more information, refer to the "Documentation CD-ROM" section later in this document.
On Cisco Connection Online (CCO), http://www.cisco.com/, the paths are:
For more information, refer to the "Cisco Connection Online" section later in this document.
Cisco IOS Release 11.3(1) supports the Cisco uBR7246 universal broadband router.
Table 1 summarizes the LAN interfaces supported on the Cisco uBR7246 universal broadband router.
Table 2 summarizes the WAN data rates and interfaces supported on the Cisco uBR7246 universal broadband router.
"Yes" means that a particular data rate or interface is supported. "No" means that it is not.
| Interface | Supported |
|---|---|
| Ethernet (AUI) | No |
| Ethernet (10BaseT) | Yes |
| Ethernet (10BaseFL) | No |
| Fast Ethernet (100BaseTX) | Yes |
| Fast Ethernet (100BaseFX) | Yes |
| Token Ring 4-Mbps | No |
| Token Ring 16-Mbps | No |
| Token Ring full-duplex | No |
| FDDI DAS | No |
| FDDI SAS | No |
| FDDI full duplex | No |
| FDDI multimode | No |
| FDDI single-mode | No |
| ATM Interface | Yes |
| Channel Interface | No |
| Second-Generation Channel Interface | No |
| Parallel Channel Adapter (Bus and Tag) | No |
| ESCON Channel Adapter (ECA) | No |
| Versatile Interface | No |
| Second-Generation Versatile Interface | No |
| MultiChannel Interface (Channelized E1/T1) | No |
| 100 VG Any LAN | No |
| Data Rates or Interface | Supported |
|---|---|
| Data Rate |
|
| 48/56/64 kbps | No |
| 1.544/2.048 Mbps | No |
| 34/45/52 Mbps | Yes |
| Interface |
|
| EIA/TIA-232 | No |
| X.21 | No |
| V.35 | No |
| EIA/TIA-449 | No |
| EIA-530 | No |
| EIA/TIA-613 (HSSI) | Yes |
| ISDN BRI | No |
| ISDN PRI | No |
| E1-G.703/G.704 | No |
| Channelized T1 | No |
| Channelized E1 | No |
| Channelized T3 | No |
| Packet-Over-SONET OC-3 Interface | No |
| Serial | No |
This is the first release of the Cisco uBR7246 universal broadband router. There are no new features in Cisco IOS Release 11.3(1).
The Cisco uBR7246 universal broadband router only supports the IP feature set. Table 3 list the features available for Cisco uBR7246 in the IP feature set. Table 4 lists optional feature set licenses for the Cisco uBR7246 universal broadband router.
| Feature Set | |
|---|---|
| Feature | IP |
| IBM Support |
|
APPN High Performance Routing | No |
APPN MIB Enchancements | No |
APPN over Ethernet LAN Emulation | No |
APPN Scalability Enhancements | No |
Bisync Enhancements, includes:
|
CenterYes |
Cisco MultiPath Channel (CMPC) | No |
DLSw+ Enhancements, includes:
|
CenterYes |
FRAS Enhancements, includes:
|
CenterYes |
SRB over FDDI on Cisco 4000-M, 4500-M, and 4700-M Routers | No |
TN3270 LU Nailing | No |
TN3270 Server Enhancements | No |
Token Ring LANE | No |
Tunneling of Asynchronous Security Protocols | Yes |
| Internet |
|
DRP Server Agent | Yes |
| IP Routing |
|
Easy IP (Phase 1) | Yes |
Hot Standby Router Protocol (HSRP) over ISL in Virtual LAN Configurations | Yes |
IP Enhanced IGRP Route Authentication | Yes |
TCP Enhancements, includes:
|
CenterNo |
| LAN Support |
|
AppleTalk Access List Enhancements | No |
DECnet Accounting | No |
IPX Named Access Lists | No |
IPX SAP-after-RIP | No |
NLSP Enhancements | No |
NLSP Multicast Support | No |
| Management |
|
Cisco Call History MIB Command Line Interface | Yes |
Cisco IOS Internationalization | Yes |
Entity MIB, Phase 1 | Yes |
SNMPv2C | Yes |
Virtual Profiles | Yes |
| Multimedia |
|
IP Multicast Load Splitting across Equal-Cost Paths | Yes |
IP Multicast over ATM Point-to-Multipoint Virtual Circuits | Yes |
IP Multicast over Token Ring LANs | Yes |
Stub IP Multicast Routing | Yes |
| Quality of Service |
|
RTP Header Compression | Yes |
| Security |
|
Double Authentication | Yes |
Encrypted Kerberized Telnet | No |
HTTP Security | Yes |
Per-User Configuration | Yes |
Reflexive Access Lists | Yes |
TCP Intercept | No |
Vendor-Proprietary RADIUS Attributes | Yes |
| Switching |
|
AppleTalk Routing over ISL and IEEE 802.10 in Virtual LANs | No |
CLNS and DECnet Fast Switching over PPP | No |
DECnet/Vines/XNS over ISL, includes:
|
CenterNo |
Fast-Switched Policy Routing | Yes |
IPX Routing over ISL Virtual LANs | No |
VIP Distributed Switching Support for IP Encapsulated in ISL | No |
| Terminal Services |
|
Virtual Interface Template Service | No |
Virtual Templates for Protocol Translation | No |
| WAN Optimization |
|
ATM MIB Enhancements | No |
PAD Enhancements | No |
PAD Subaddressing | Yes |
| WAN Services |
|
Bandwidth Allocation Control Protocol | Yes |
Enhanced Local Management Interface (ELMI) | Yes |
Frame Relay Enhancements | Yes |
Frame Relay MIB Extensions | Yes |
Frame Relay Router ForeSight | Yes |
ISDN Advice of Charge | Yes |
ISDN Caller ID Callback | Yes |
ISDN NFAS | Yes |
LANE Per-subinterface Debug Messages | No |
Layer 2 Forwarding--Fast Switching | No |
Leased Line ISDN at 128 kbps | No |
Multilink PPP Interleaving and Fair-Queuing Support | No |
PPP over ATM | No |
Telnet Extensions for Dialout | No |
VPDN Tunnel Lookup Based on Dialed Number Information | No |
X.25 Enhancements | Yes |
X.25 on ISDN | No |
X.25 Switching between PVCs and SVCs | Yes |
X.28 Emulation | No |
| WAN Packet Protocols |
| ATM DXI |
| Frame Relay |
| Frame Relay switching |
| Frame Relay SVC support (DTE) |
| Frame Relay traffic shaping |
| SMDS over ATM |
| X.25 |
| X.25 switching |
| Interdomain Routing |
| BGP |
| BGP41 |
| EGP for Internet scale routing |
For information on upgrading to a new software release, refer to the Cisco IOS Software Release Upgrade Paths and Packaging Simplification product bulletin #703.
You can also access this product bulletin on the Web at http://www.cisco.com. For more information, refer to the "Cisco Connection Online" section later in this document.
Table 5 describe the memory requirements for the feature sets for the Cisco uBR7246 universal broadband router supported by Cisco IOS Release 11.3(1).
Cisco uBR7246 universal broadband routers are shipped with an 8-, 16-, or 20-MB Flash memory card.
| Feature Set | Image Name | Required Flash Memory | Required DRAM Memory | Release 11.3(1) Runs From |
|---|---|---|---|---|
| IP Routing | c7200-is-mz | 8 MB Flash | 32 MB DRAM | RAM |
Refer to the Release Notes for Cisco IOS Release 11.3 publication for a list of the caveats that apply to Release 11.3. The complete caveats against Release 11.3 are also available in the Cisco Documentation CD-ROM package. In the CD-ROM package, access the Cisco IOS 11.3 caveats in the Cisco IOS Release 11.3 database.
If you have an account on Cisco Connection Online (CCO), you can view additional caveats using the bug search tools in the Bug Toolkit, such as the Bug Navigator.
Cisco Connection Online (CCO) is Cisco Systems' primary, real-time support channel. Maintenance customers and partners can self-register on CCO to obtain additional information and services.
Available 24 hours a day, 7 days a week, CCO provides a wealth of standard and value-added services to Cisco's customers and business partners. CCO services include product information, product documentation, software updates, release notes, technical tips, the Bug Navigator, configuration notes, brochures, descriptions of service offerings, and download access to public and authorized files.
CCO serves a wide variety of users through two interfaces that are updated and enhanced simultaneously: a character-based version and a multimedia version that resides on the World Wide Web (WWW). The character-based CCO supports Zmodem, Kermit, Xmodem, FTP, and Internet e-mail, and it is excellent for quick access to information over lower bandwidths. The WWW version of CCO provides richly formatted documents with photographs, figures, graphics, and video, as well as hyperlinks to related information.
You can access CCO in the following ways:
For a copy of CCO's Frequently Asked Questions (FAQ), contact cco-help@cisco.com. For additional information, contact cco-team@cisco.com.
Cisco documentation and additional literature are available in a CD-ROM package, which ships with your product. The Documentation CD-ROM, a member of the Cisco Connection Family, is updated monthly. Therefore, it might be more up to date than printed documentation. To order additional copies of the Documentation CD-ROM, contact your local sales representative or call customer service. The CD-ROM package is available as a single package or as an annual subscription. You can also access Cisco documentation on the World Wide Web at http://www.cisco.com, http://www-china.cisco.com, or http://www-europe.cisco.com.
If you are reading Cisco product documentation on the World Wide Web, you can submit comments electronically. Click Feedback in the toolbar, select Documentation, and click Enter the feedback form. After you complete the form, click Submit to send it to Cisco. We appreciate your comments.
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